78800720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6043}}^1$

素因数の和:6219

約数の個数: 40

約数和(自身を含む): 184366176

約数和(自身を除く): 105565456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6043, 6520, 12086, 13040, 24172, 30215, 48344, 60430, 96688, 120860, 241720, 483440, 985009, 1970018, 3940036, 4925045, 7880072, 9850090, 15760144, 19700180, 39400360, 78800720]

約数ペア:

[(1, 78800720), (2, 39400360), (4, 19700180), (5, 15760144), (8, 9850090), (10, 7880072), (16, 4925045), (20, 3940036), (40, 1970018), (80, 985009), (163, 483440), (326, 241720), (652, 120860), (815, 96688), (1304, 60430), (1630, 48344), (2608, 30215), (3260, 24172), (6043, 13040), (6520, 12086)]